Residual chlorine sensors are based on completely different measuring principles, could be divided into diaphragm polarographic sensor and constant voltage sensor.
Used for continuous monitoring of residual chlorine.
diaphragm polarographic sensor, cathode, anode, electrolyte and cathode coated with a layer of gasoline permeable thin film composition. The remaining chlorine in the examined solution diffuses to the cathode via the diaphragm, and the cathode and anode are acceptable the polarization voltage can reduce the residual chlorine at the cathode, and these chemical reactions happen within the residual chlorine in the measured solution chlorine is proportional to the present.
fixed voltage sensor, composed of two platinum electrodes and a reference electrode to kind a microbattery measurement system. During measurement, a stable electrical potential is maintained on the measuring finish of the electrode, and totally different components are produced under this electrical potential generate completely different, properly linear current intensities.
polarographic sensor is characterized by:
Sensitive reaction, excessive accuracy, good stability
Simple operation and small upkeep
Suitable for all kinds of media, movie just isn’t straightforward to break, air pollution resistance
constant voltage type sensor is characterised by:
With steady zero performance, to make sure accurate and reliable measurement
Simple construction, straightforward to scrub
It is appropriate for measuring residual chlorine, chlorine dioxide and ozone in water
Correction:
Zero level correction
Zero correction with chlorine-free water
Slope correction
Actual measurements are made in a transportable or laboratory setting
Make alignment
Matters needing consideration:
PH must be controlled at 5-8pH
The flow ought to be managed at 60-80L/H
The stress is inside 4bar
Read more about water high quality:
Turbidity meter working principle
Main water high quality indicators
COD VS BOD
What is salinity meter?
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Residual chlorine sensors are based mostly on totally different measuring principles, can be divided into diaphragm polarographic sensor and constant voltage sensor.
Used for continuous monitoring of residual chlorine.
diaphragm polarographic sensor, cathode, anode, electrolyte and cathode lined with a layer of gas permeable skinny movie composition. The remaining chlorine in the tested answer diffuses to the cathode by way of the diaphragm, and the cathode and anode are appropriate the polarization voltage can reduce the residual chlorine on the cathode, and these chemical reactions happen within the residual chlorine within the measured resolution chlorine is proportional to the current.
constant voltage sensor, composed of two platinum electrodes and a reference electrode to form a microbattery measurement system. During measurement, a steady electrical potential is maintained on the measuring end of the electrode, and completely different components are produced beneath this electrical potential generate completely different, well linear current intensities.
polarographic sensor is characterized by:
Sensitive reaction, high accuracy, good stability
Simple operation and small maintenance
Suitable for all types of media, film isn’t straightforward to wreck, air pollution resistance
fixed voltage type sensor is characterised by:
With secure zero performance, to make sure accurate and reliable measurement
Simple construction, straightforward to clean
It is suitable for measuring residual chlorine, chlorine dioxide and ozone in water
Correction:
Zero point correction
Zero correction with chlorine-free water
Slope correction
Actual measurements are made in a transportable or laboratory setting
Make alignment
Matters needing attention:
PH should be controlled at 5-8pH
The flow should be controlled at 60-80L/H
The pressure is within 4bar
Read extra about water high quality:
Turbidity meter working precept
Main water high quality indicators
COD VS BOD
What is salinity meter?